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Add page orientation value compatibility#30075

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mdn:mainfrom
awnoa:fix/page-orientation-values
Open

Add page orientation value compatibility#30075
awnoa wants to merge 1 commit into
mdn:mainfrom
awnoa:fix/page-orientation-values

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@awnoa

@awnoa awnoa commented Jul 17, 2026

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Summary

Add separate compatibility entries for the landscape and portrait values of the @page size descriptor. The entries preserve the existing Chrome and Firefox support versions while recording that Safari does not support these orientation values.

Test results and supporting details

The modified data file parses successfully as JSON. Safari's missing support is tracked in WebKit bug 63575.

Related issues

Fixes #28626

@github-actions github-actions Bot added data:css Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS size:m [PR only] 25-100 LoC changed labels Jul 17, 2026
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Tip: Review these changes grouped by change (recommended for most PRs), or grouped by feature (for large PRs).

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data:css Compat data for CSS features. https://developer.mozilla.org/docs/Web/CSS size:m [PR only] 25-100 LoC changed

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css.at-rules.page.size - Safari does not orientation/scaling sizes

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